This article explains everything you need to know about how to bypass the proposed Mandatory ISP Filter. Any eight year old could do it.
http://blogs.smh.com.au/gadgetsonthego/archives/2008/11/how_to_easily_bypass_australia.html
If regimes like China, North Korea, Iran and Burma have not been able to block access to sites they do not like; why does Conroy think that this proposal will succeed?